Motion-picture camera.



F"H. AVERS. MOHON PICTURE CAMERA.

APPLICATION men mm. s. 1911.

Patented Nov. 6, 1917.

[SHEETS-SHEET 1.

- 'INVENTOR ATTORNEY F. H. AVERS.

MOTION PICTURE AMFR'A. APPLICATION mzo MAR. s. 1912.

ATTORNEY UNITED STA PATENT. OFFICE.

FRANKLIN H. AvEa's, or ron'TAeE, WISCONSIN.

To all whom it may con 0e 91.:

Be it lmown that I, FnANKLin H. Avnns,

a citizen of the United States, residingat Portage, in the countyof-Oolumb1a and State of Wisconsin, have invented, new and usefulImprovements in Motion-Picture Cameras, of which the following'is aspeci therein, and a pinion to cooperate witha star wheel carrying apinion. to cooperate with a racksecured to a carrier. for moving a plateholder a predetermined distance, and

a series of lenses disposed between the shutter and the plate holder sothat each one of the light openingswill register with one of the lenses.i

The: invention also contemplates using a suitable receptacle so that thedevice may be as compact as possible and the Working parts protectedfrom injury and climatic conditions. 1 1 I In the draWings:- .Figure 1illustrates a frontelevation; Fig. 2 is a sectional view on the line2.-2 of Fig. 1 and Fig. 3 is a side elevation of the reprodud. ingmachine. a Fig. 4 is a sectionalview on the line 441 of Fig. 3, and Fig.5 is a longitudinal sectional view of theplate holder carrier. 7

In the preferred embodiment, which will be described, the shutter 5 isjpreferably of circular form and may be made of any suitable material'andmay alsovbeof any de-' A In the shutter 5 there is formed a seriesof light openings 6, which sired thickness.

I Specification of Letters Patent. Application filedMarch e, 1917.Serial No. 152,686.

' Memoirreanne CAMERA.

Patented Nov. 6, 1917.

L and circumferential direction from the first opening adjacent thecenter of the shutter. TlllS. shutter 5 may be suitably supported inianydesired manner, one form of support beingshown bythe shaft 7.Disposedradially from the shaft 7 is a projection-or pin 8, whichextends from the face of the shutter in an axial direction. This proectlon or pin 8.is adapted to cooperate with the arms of a star wheel 9,which also carries apinion 10.. This star Wheel 9 and the pinion 10 maybe mounted orcarried upon j a suitable support, such as is shown by theshaft 11. Itmay be preferredto permit the 14. The plateholder 13 may beprovided with a rack l5 1nounted upon one edge.

This rack 15 may or may not be permanently I secured to theplateholderl3, asit be desired to reverse the holder in order to use the plate orfilm positioned upon the other side, when if the rack werepermanentlysecured to one. side, it would not be possible to reverse,the holder.

The rack 15 is so positioned with regard to the holder 13 thatit willcooperate with the pinion 10, which when the star wheel 9 is actuated bythe projection or pin 8 will ime part the movement to the throughthisrack 15.

Upon one side'of the camera box 12, there is provided a suitable support16, which has mounted therein a series of lenses 17 These lenses 17 arespaced; apart asufficient dis tance so that each one will register withits proper light opening 6 formed in the shutter 5. These lenses 17 areshown as being slightly ofiset on a radial line of the shutter. 5. Thisis done in order that the pictures or negatives produced on the plate orfilm may be slanted so that when printed upon a suitable medium thepositives can be separated or if desired the print may be kept whole andmounted upon a suitable cylinder for reproduction purposes. This willform the pictures in a proper manner for the spiral movement of thecylinder.

plate holder- This apparatus which has just been described is adaptedmore particularly for the taking of consecutive negatives upon a flatsurface, and while no particular means have been shown and described asinclosing the whole apparatus, the same may be 'inclosed in anyworkman-like manner.

In Fig. 3 there is illustrated the viewing or reproduction apparatus,which comprises a frame having end members 18, base memher 19 a'nd'a topmember 20. -These several members may be secured together and to thebase in any usual or customary manner. Disposed u'pon'the top member 20is a conical member 21 which is adaptedtoconcentrate the rays of'lightuponthe lens22;

This lens 22 is preferably of the magnifying or double conyex type andis positioned mid- Way between the end inembersl8', so that it willcooperate with alight"interrupter or interferer '23! This lightinterrupter '28 "it is p'referredto havein'the form ofa glass cube. Thiscube is mounted upona shaft 24, which issuitably j ournaled intheendmembers 18; Asshownjthis shaft 24 afione'end is plain and upon theother end between one of the end members 18 and the light interrupter 23is positioned a pinion 25.

' This pinion 25 is adapted to cooperate with a gear-wheelor spur gear'This gear 26 may be secured to the'cylinder 27 in any convenientmanner. On this cylinder 27 there is mounted the positive prints whichwere obtained in printing from the negatives produced by the takingcai'ne'ra. Thispositire portion isindicated by the numeral 28,

and the p1ctures-areshown as being spirally arranged upon the cylinder.

Passing through the cylinder 27 and the gear 26 is a-sliaft 29Qwhich' isplainat one portion, and "upon the other portion there are formed screwthreads '30. "One'end'of the shaft is suitably'journaled in the endmember 18, while' the threaded portion30 is ad. pted to cooperate withasuitable thread edap'erture formed in the'other enid member 18.*IAttached to one end oft-he threaded end of the shaft 30 is aconventional handle 31,

which may be secured to the shaft; inany convenient way. By means ofthis handle 31., the cylinder 27 may be. rotated and also moved in alongitudinal direction means of the screw threads 30 cooperating withthe threaded aperture i'ormed in the end member 18. The rotary movementof the cylinder 27 is communicated by means of the gear 26 to the pinion25 and the ratio of the gearing is preferably four to one so that theglass cube 23 'isjrotated four times to one revolution of the cylinder27.

The rotation of this "cube23 produces an interference of light so thatthe positives mouiiitedhi'pon the cylinder 27 will appear as moti'oiro'r'animated pictures.

,No means have been shownand described medium and adapted t'o operatesuccessively.

within the ligl1't"openings formed in "the shutter, and means tom'ovethe carrier'so that each of the-light openings will register properlywith a lens. "2.An apparatus for taking motion pictures comprisinga"shutterhaving light openiiigs' arranged in a spiral-manner, a

carrierfor asensitized medium adapted to be acted upon by light, aseries of lenses disposed between the medium andthe shutter, a rackfonthe carrier, a pinion provided with radially extending arms to engagewith the rack, and a projection formed on the shutter ada otedtocooperate with the arms to move the carrier a predetermined dis tance sothat a light opening will register withalens'.

In testimony whereof I aliix my signature.

FRANKLIN 1i. AYERS.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner ollatentl.

